Re: Documentation of tab-bar-show and friends

[Juri Linkov]

>> Generally, there are two levels of customization:
>>
>> 1. The global tab-bar-show that defines when to show/hide the tab bar
>> depending on the number of tabs.  This variable affects all frames.
>>
>> 2. It's possible to override the aforementioned behavior
>> by explicitly calling toggle-frame-tab-bar on a frame.
>> Then the value of tab-bar-show has no effect on that frame.
>
> Then I don't understand why NEWS says
>
>   *** The tab bar is frame-local when 'tab-bar-show' is a number.
>   You can show/hide the tab bar independently for each frame, according
>   to the value of 'tab-bar-show'.
>
> If you say that frame-local tab bar _overrides_ tab-bar-show, then how
> come the value of tab-bar-show is described here as _causing_ the tab
> bar to be frame-local?

The tab bar is frame-local in the sense that it is enabled/disabled
depending on the number of its tabs.  So e.g. on a frame with one tab
there is no tab bar, on another frame with two tabs there is a tab bar,
when tab-bar-show is 1, and toggle-frame-tab-bar was not used.